They discussed this, and decided: a) partially-applied operators fills some of the gap, and b) they're far too complicated to implement.
https://github.com/gkz/LiveScript/issues/19 https://github.com/taku0/placeholder_syntax_for_coffeescript...
https://github.com/gkz/LiveScript/issues/19 https://github.com/taku0/placeholder_syntax_for_coffeescript...
map (.length) x
rather than map (call \length) x
does not fit more complex usage, but it's a tiny improvement I'd think